:root {
  --bg: #FAF8F5;
  --surface: #FFFFFF;
  --border: #E7E2D9;
  --text-primary: #24211C;
  --text-secondary: #6B655A;
  --accent: #3F6B52;
  --accent-hover: #345A44;
  --warn: #B5502E;
  --ok: #3F6B52;
}

* { box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  margin: 0;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.border-warn { border-color: var(--warn); }
.border-ok { border-color: var(--border); }
.text-warn { color: var(--warn); }
.text-secondary { color: var(--text-secondary); }
.border-border { border-color: var(--border); }
.divide-border > * + * { border-top: 1px solid var(--border); }

.btn-primary, .btn-secondary {
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  min-height: 44px;
}

.btn-primary {
  background: var(--accent);
  color: white;
}
.btn-primary:hover { background: var(--accent-hover); }

.btn-secondary {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text-primary);
}
.btn-secondary:hover { border-color: var(--accent); }

.input {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  font-size: 14px;
  min-height: 44px;
  width: 100%;
  background: var(--surface);
  color: var(--text-primary);
}
.input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.nav-btn {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  min-height: 40px;
}
.nav-btn:hover { color: var(--text-primary); }
.nav-btn-active {
  background: var(--accent);
  color: white;
}

.nav-arrow {
  font-size: 22px;
  line-height: 1;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.nav-arrow-lg {
  font-size: 32px;
  line-height: 1;
  min-width: 48px;
  min-height: 48px;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
}
.nav-arrow-lg:hover {
  color: var(--text-primary);
  background: var(--surface);
}

.month-label-lg {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.03em;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 8px;
  color: var(--text-primary);
}
.month-label-lg:hover {
  background: var(--surface);
}